798297864 has 192 divisors, whose sum is σ = 2552279040. Its totient is φ = 203523840.

The previous prime is 798297859. The next prime is 798297959. The reversal of 798297864 is 468792897.

It is a junction number, because it is equal to n+sod(n) for n = 798297798 and 798297807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 879699 + ... + 880605.

It is an arithmetic number, because the mean of its divisors is an integer number (13293120).

Almost surely, 2^798297864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798297864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276139520).

798297864 is an abundant number, since it is smaller than the sum of its proper divisors (1753981176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

798297864 is a wasteful number, since it uses less digits than its factorization.

798297864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 963 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The square root of 798297864 is about 28254.1654274197. The cubic root of 798297864 is about 927.6589146072.

The spelling of 798297864 in words is "seven hundred ninety-eight million, two hundred ninety-seven thousand, eight hundred sixty-four".